Agglomerated Cork Insulation Board from China
A rigid board made from agglomerated cork particles bound with resin, used for thermal and acoustic insulation in walls and floors. It falls under HTS 4504.10.50.00 as it is an 'other' form of agglomerated cork sheet or plate, not specifically excluded by chapter notes. These boards are lightweight and compressible, ideal for construction applications.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify cork content exceeds 50% by volume per HTS definitions to avoid reclassification as composite materials
• Include mill test reports certifying agglomeration process and binding substance for customs valuation